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Finding the Fourth Proportional to 587,123.60, 880,102.20 and 271,029.20

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Solution

The fourth proportional to 587,123.60, 880,102.20 and 271,029.20 is: 406,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,123.60 : 880,102.20 = 271,029.20 : x
  2. Step 2: Convert to fraction form
    587,123.60/880,102.20 = 271,029.20/x
  3. Step 3: Cross multiply
    587,123.60x = 880,102.20 × 271,029.20
  4. Step 4: Simplify right side
    587,123.60x = 238,533,395,184.24
  5. Step 5: Solve for x
    x = 238,533,395,184.24/587,123.60
  6. Step 6: Final answer
    x = 406,274.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.